How did you get 0.5 x 10^1 if 2 x 1000 is 2000 and 4 x 10^3 is 4000

Q: A 110V circut is connected to 3 parallel resistitive loads. The resistances of the loads are: 34…

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Q: what are the different types of insulators , give examples for each type ??

A: The objective of the question is to define different types of insulators with example.

Q: radius R without slipping, the friction force acting on the car and the normal force

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Q: You push a child on a swing once. What do you know about their kinetic energy at the top of their…

A: Correct option  • it's zero Because , At the top , swing stops a very small instant of time . So…

Q: given that the suns lifetime is about 10 billion years, estimate the life expectancy of (A) a…

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Q: While looking at her image in a cosmetic mirror, Dina notes that her face is highly magnified when…

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Q: The magnitude of the cross product between two vectors, one of which has magnitude 2 and another has…

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Q: Sketch the curve with the given polar equation. r= 4 + sin 8 y y

A: Solution: Given data, r = 4 + sin θ

Q: A child with mass 40. kg sits on the edge of a merry-go-round at a distance of 3.0 m from its axis…

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Q: A 6.6 kg box slides down an inclined plane that makes an angle of 38° with the horizontal. If the…

A: Mass of the block is M = 6.6 kg  Coefficient of kinetic friction is u = 0.29  Angel of inclined…

Q: Consider the sun and its largest planet Jupiter. On the line joining them, how far from the center…

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Q: Non-conservative work is...(select all that apply) made by a non-conservative force acting on…

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Q: You have been hired to design a family-friendly see-saw. Your design will feature a uniform board…

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Q: A ray of light travels from air into another medium, making an angle of 0₁ = 45.0° with the normal…

A: The given data we have: θ1=450 We need to calculate the following: (a) Refracting angle when the…

Q: Light with a wavelength of λ = 678 nm is incident on a single slit of width w = 4.75 micrometers. A…

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Q: A 20-g ice cube floats in 150 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

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Q: 4. 6. 12 kg v = ? m/s Before 3m/s 8 kg v = 3 m/s kg вони Om/s 10 kg 12 kg v = 1 m/s After 8 kg v = 6…

A: Conservation of liner momentum: The total momentum of two or more bodies working on each other in an…

Q: What is the real part of the relative permittivity of a Drude material with plasma frequency 7.44 eV…

A: Given: Plasma frequency, ωp= 7.44 eV Damping frequency, Γ = 0.97 eV excitation frequency, ω=3.2eV To…

Q: A block of mass m=2.00kg is attached to a spring of force constant k=500N/m as shown in figure The…

A: Initial energy in spring after streching= 12kx2=12×500×51002=0.625 Joules .

Q: 16) A force F of strength 20N acts on an object of mass? kg as it moves a Distance of 4 meters. If F…

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Q: The wavelength of the light 505 nm in medium 1, but 450 nm in medium 2. Calculate the index of…

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Q: A concave spherical mirror has a radius of curvature of magnitude 27.8 cm. (a) Determine the object…

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Q: A spinning wheel that initially rotates at 12 revolutions/sec is braked uniformly to a stop in 4.5…

A: Given, RPM at which the wheel rotates, 12 RPM  time for stopping the wheel, t=4.5 s

Q: An object falls from a high building.  What will its velocity be after 7 seconds of falling?

A: (1) Given: The time interval is 7 s. The initial velocity of the object is 0 m/s.

Q: What is the applied force needed on a 2.0 kg block of wood accelerating at 4.0 m/s² along a rough…

A: Given data:  Mass (m) = 2.0 kg Acceleration (a) = 4.0 m/s2 Frictional force (f) = 10 N, opposite to…

Q: 0.25 kg mass is attached to a vertical spring. Suppose the spring has a force constant of 10 N/m and…

A: mass (m) =0.25 kg k = 10 Nm

Q: The drawing shows a frictionless incline and pulley. The two blocks are connected by a wire (mass…

A: Given, The mass of wire per unit length, m=0.0358 Kg/m The speed of the transverse wave, v=63.9 m/s…

Q: 20. On Earth, a scale shows that you weigh 585 N. a. What is your mass? b. What would the scale read…

A: (20): Given: The weight of the object on the earth is 585 N.

Q: Block A, with mass 13 kg, sits on an incline of 0.33 radians above the horizontal. An attached…

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Q: What is Brewster's angle for an air-diamond (n = 2.42) surface?

A: Given data:  Index of refraction of diamond (n) = 2.42 Required: The Brewster's angle (θB)

Q: In which situation will the object have the largest gravitational potential energy? a squid deep in…

A: Given: In which situation will the object have the largest gravitational potential energy?   a…

Q: (a) A lightbulb has a resistance of 150 2 when operating with a potential difference of 165 V across…

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Q: An astronaut is traveling in a space vehicle that has a speed of 0.455c relative to Earth. The…

A: Given data, a) Speed v=0.455c m/s Time ∆tp=1 min b) Speed v=0.990c m/s Time ∆tp=1 min

Q: 5) A spring with a spring constant of k = 50 N/m has a natural length of 0.45m. It is attached to…

A: Given: The spring constant is 50 N/m The natural length of the spring is 0.45 m. The angle of the…

Q: A packaged product is dropped and an accelerometer records the peak acceleration and shock duration…

A: The solution of this question has been solved below..

Q: The sun shines on a lake and the reflected light is completely polarized. What angle above the…

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Q: answer cant be in scientific notation

A: a) the relativistic momentum is given by…

Q: Deep ultrasonic heating is used to promote healing of torn tendons. It is produced by applying…

A: Given data: The radius of the transducer, r=1.20 cm=0.012 m The intensity of sound produced,…

Q: Applying a force to an object over some amount of parallel distance... (select all that apply)…

A: When we apply some force on any object then object will displayed from its initial position to some…

Q: 4. A steel block of mass m slides down a ramp (from rest) reaching its maximum speed of v at the…

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Q: A system is composed of objects whose total kinetic energy is X when the system's potential energy…

A: Given Initial kinetic energy of the system is Ki=X Initial potential energy of the system is Ui=X2…

Q: Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV…

A: Given:- a) The photon has a frequency of f = 7.60 x 1017 Hz  b) The Photon has a wavelength of λ =…

Q: A point rotates about the origin in the ?? plane at a constant radius of 0.222 m with an angular…

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Q: he intensity sound level in air is 65 dB. Calculate Pmax if the temperature is 20 C, the density of…

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Q: Consider a ball on a fixed-length string being whirled in a vertical circular path as shown in the…

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Q: lues E. An alternating voltage is connected in series with a resistance R and an inductance L. If…

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Q: The figure below shows a cross-section across a diameter of a long cylindrical conductor of radius a…

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Q: Green light of wavelength 540 mm is incident on two slits that are separated by 0.70 mm. Part A…

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Q: 27. A radar signal took 2.7 seconds to go to the moon and return. How far away was the moon at that…

A: We are given a radar signal. A radar signal is nothing but an electromagnetic wave. We know that all…

Q: 19) A spring is compressed a distance of 0.10 m from its rest position and held in pace while a 0.10…

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